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FFmpeg/libavcodec/hpeldsp_template.c

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/*
* Half-pel DSP functions
*
* Copyright (c) 2000, 2001 Fabrice Bellard
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
*
* gmc & q-pel & 32/64 bit based MC by Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* Half-pel DSP functions
*/
#include "bit_depth_template.c"
#include "hpel_template.c"
#define PIXOP2(OPNAME, OP) \
static inline void FUNC(OPNAME ## _no_rnd_pixels8_l2)(uint8_t *dst, \
const uint8_t *src1, \
const uint8_t *src2, \
int dst_stride, \
int src_stride1, \
int src_stride2, \
int h) \
{ \
int i; \
\
for (i = 0; i < h; i++) { \
pixel4 a, b; \
a = AV_RN4P(&src1[i * src_stride1]); \
b = AV_RN4P(&src2[i * src_stride2]); \
OP(*((pixel4 *) &dst[i * dst_stride]), \
no_rnd_avg_pixel4(a, b)); \
a = AV_RN4P(&src1[i * src_stride1 + 4 * sizeof(pixel)]); \
b = AV_RN4P(&src2[i * src_stride2 + 4 * sizeof(pixel)]); \
OP(*((pixel4 *) &dst[i * dst_stride + 4 * sizeof(pixel)]), \
no_rnd_avg_pixel4(a, b)); \
} \
} \
\
static inline void FUNCC(OPNAME ## _no_rnd_pixels8_x2)(uint8_t *block, \
const uint8_t *pixels, \
ptrdiff_t line_size, \
int h) \
{ \
FUNC(OPNAME ## _no_rnd_pixels8_l2)(block, pixels, pixels + sizeof(pixel), \
line_size, line_size, line_size, h); \
} \
\
static inline void FUNCC(OPNAME ## _pixels8_x2)(uint8_t *block, \
const uint8_t *pixels, \
ptrdiff_t line_size, \
int h) \
{ \
FUNC(OPNAME ## _pixels8_l2)(block, pixels, pixels + sizeof(pixel), \
line_size, line_size, line_size, h); \
} \
\
static inline void FUNCC(OPNAME ## _no_rnd_pixels8_y2)(uint8_t *block, \
const uint8_t *pixels, \
ptrdiff_t line_size, \
int h) \
{ \
FUNC(OPNAME ## _no_rnd_pixels8_l2)(block, pixels, pixels + line_size, \
line_size, line_size, line_size, h); \
} \
\
static inline void FUNCC(OPNAME ## _pixels8_y2)(uint8_t *block, \
const uint8_t *pixels, \
ptrdiff_t line_size, \
int h) \
{ \
FUNC(OPNAME ## _pixels8_l2)(block, pixels, pixels + line_size, \
line_size, line_size, line_size, h); \
} \
\
static inline void FUNCC(OPNAME ## _pixels4_x2)(uint8_t *block, \
const uint8_t *pixels, \
ptrdiff_t line_size, \
int h) \
{ \
FUNC(OPNAME ## _pixels4_l2)(block, pixels, pixels + sizeof(pixel), \
line_size, line_size, line_size, h); \
} \
\
static inline void FUNCC(OPNAME ## _pixels4_y2)(uint8_t *block, \
const uint8_t *pixels, \
ptrdiff_t line_size, \
int h) \
{ \
FUNC(OPNAME ## _pixels4_l2)(block, pixels, pixels + line_size, \
line_size, line_size, line_size, h); \
} \
\
static inline void FUNCC(OPNAME ## _pixels2_x2)(uint8_t *block, \
const uint8_t *pixels, \
ptrdiff_t line_size, \
int h) \
{ \
FUNC(OPNAME ## _pixels2_l2)(block, pixels, pixels + sizeof(pixel), \
line_size, line_size, line_size, h); \
} \
\
static inline void FUNCC(OPNAME ## _pixels2_y2)(uint8_t *block, \
const uint8_t *pixels, \
ptrdiff_t line_size, \
int h) \
{ \
FUNC(OPNAME ## _pixels2_l2)(block, pixels, pixels + line_size, \
line_size, line_size, line_size, h); \
} \
\
static inline void FUNCC(OPNAME ## _pixels2_xy2)(uint8_t *_block, \
const uint8_t *_pixels, \
ptrdiff_t line_size, \
int h) \
{ \
pixel *block = (pixel *) _block; \
const pixel *pixels = (const pixel *) _pixels; \
int i, a1, b1; \
int a0 = pixels[0]; \
int b0 = pixels[1] + 2; \
\
a0 += b0; \
b0 += pixels[2]; \
line_size /= sizeof(pixel); \
pixels += line_size; \
for (i = 0; i < h; i += 2) { \
a1 = pixels[0]; \
b1 = pixels[1]; \
a1 += b1; \
b1 += pixels[2]; \
\
block[0] = (a1 + a0) >> 2; /* FIXME non put */ \
block[1] = (b1 + b0) >> 2; \
\
pixels += line_size; \
block += line_size; \
\
a0 = pixels[0]; \
b0 = pixels[1] + 2; \
a0 += b0; \
b0 += pixels[2]; \
\
block[0] = (a1 + a0) >> 2; \
block[1] = (b1 + b0) >> 2; \
pixels += line_size; \
block += line_size; \
} \
} \
\
static inline void FUNCC(OPNAME ## _pixels4_xy2)(uint8_t *block, \
const uint8_t *pixels, \
ptrdiff_t line_size, \
int h) \
{ \
/* FIXME HIGH BIT DEPTH */ \
int i; \
const uint32_t a = AV_RN32(pixels); \
const uint32_t b = AV_RN32(pixels + 1); \
uint32_t l0 = (a & 0x03030303UL) + \
(b & 0x03030303UL) + \
0x02020202UL; \
uint32_t h0 = ((a & 0xFCFCFCFCUL) >> 2) + \
((b & 0xFCFCFCFCUL) >> 2); \
uint32_t l1, h1; \
\
pixels += line_size; \
for (i = 0; i < h; i += 2) { \
uint32_t a = AV_RN32(pixels); \
uint32_t b = AV_RN32(pixels + 1); \
l1 = (a & 0x03030303UL) + \
(b & 0x03030303UL); \
h1 = ((a & 0xFCFCFCFCUL) >> 2) + \
((b & 0xFCFCFCFCUL) >> 2); \
OP(*((uint32_t *) block), h0 + h1 + \
(((l0 + l1) >> 2) & 0x0F0F0F0FUL)); \
pixels += line_size; \
block += line_size; \
a = AV_RN32(pixels); \
b = AV_RN32(pixels + 1); \
l0 = (a & 0x03030303UL) + \
(b & 0x03030303UL) + \
0x02020202UL; \
h0 = ((a & 0xFCFCFCFCUL) >> 2) + \
((b & 0xFCFCFCFCUL) >> 2); \
OP(*((uint32_t *) block), h0 + h1 + \
(((l0 + l1) >> 2) & 0x0F0F0F0FUL)); \
pixels += line_size; \
block += line_size; \
} \
} \
\
static inline void FUNCC(OPNAME ## _pixels8_xy2)(uint8_t *block, \
const uint8_t *pixels, \
ptrdiff_t line_size, \
int h) \
{ \
/* FIXME HIGH BIT DEPTH */ \
int j; \
\
for (j = 0; j < 2; j++) { \
int i; \
const uint32_t a = AV_RN32(pixels); \
const uint32_t b = AV_RN32(pixels + 1); \
uint32_t l0 = (a & 0x03030303UL) + \
(b & 0x03030303UL) + \
0x02020202UL; \
uint32_t h0 = ((a & 0xFCFCFCFCUL) >> 2) + \
((b & 0xFCFCFCFCUL) >> 2); \
uint32_t l1, h1; \
\
pixels += line_size; \
for (i = 0; i < h; i += 2) { \
uint32_t a = AV_RN32(pixels); \
uint32_t b = AV_RN32(pixels + 1); \
l1 = (a & 0x03030303UL) + \
(b & 0x03030303UL); \
h1 = ((a & 0xFCFCFCFCUL) >> 2) + \
((b & 0xFCFCFCFCUL) >> 2); \
OP(*((uint32_t *) block), h0 + h1 + \
(((l0 + l1) >> 2) & 0x0F0F0F0FUL)); \
pixels += line_size; \
block += line_size; \
a = AV_RN32(pixels); \
b = AV_RN32(pixels + 1); \
l0 = (a & 0x03030303UL) + \
(b & 0x03030303UL) + \
0x02020202UL; \
h0 = ((a & 0xFCFCFCFCUL) >> 2) + \
((b & 0xFCFCFCFCUL) >> 2); \
OP(*((uint32_t *) block), h0 + h1 + \
(((l0 + l1) >> 2) & 0x0F0F0F0FUL)); \
pixels += line_size; \
block += line_size; \
} \
pixels += 4 - line_size * (h + 1); \
block += 4 - line_size * h; \
} \
} \
\
static inline void FUNCC(OPNAME ## _no_rnd_pixels8_xy2)(uint8_t *block, \
const uint8_t *pixels, \
ptrdiff_t line_size, \
int h) \
{ \
/* FIXME HIGH BIT DEPTH */ \
int j; \
\
for (j = 0; j < 2; j++) { \
int i; \
const uint32_t a = AV_RN32(pixels); \
const uint32_t b = AV_RN32(pixels + 1); \
uint32_t l0 = (a & 0x03030303UL) + \
(b & 0x03030303UL) + \
0x01010101UL; \
uint32_t h0 = ((a & 0xFCFCFCFCUL) >> 2) + \
((b & 0xFCFCFCFCUL) >> 2); \
uint32_t l1, h1; \
\
pixels += line_size; \
for (i = 0; i < h; i += 2) { \
uint32_t a = AV_RN32(pixels); \
uint32_t b = AV_RN32(pixels + 1); \
l1 = (a & 0x03030303UL) + \
(b & 0x03030303UL); \
h1 = ((a & 0xFCFCFCFCUL) >> 2) + \
((b & 0xFCFCFCFCUL) >> 2); \
OP(*((uint32_t *) block), h0 + h1 + \
(((l0 + l1) >> 2) & 0x0F0F0F0FUL)); \
pixels += line_size; \
block += line_size; \
a = AV_RN32(pixels); \
b = AV_RN32(pixels + 1); \
l0 = (a & 0x03030303UL) + \
(b & 0x03030303UL) + \
0x01010101UL; \
h0 = ((a & 0xFCFCFCFCUL) >> 2) + \
((b & 0xFCFCFCFCUL) >> 2); \
OP(*((uint32_t *) block), h0 + h1 + \
(((l0 + l1) >> 2) & 0x0F0F0F0FUL)); \
pixels += line_size; \
block += line_size; \
} \
pixels += 4 - line_size * (h + 1); \
block += 4 - line_size * h; \
} \
} \
\
CALL_2X_PIXELS(FUNCC(OPNAME ## _pixels16_x2), \
FUNCC(OPNAME ## _pixels8_x2), \
8 * sizeof(pixel)) \
CALL_2X_PIXELS(FUNCC(OPNAME ## _pixels16_y2), \
FUNCC(OPNAME ## _pixels8_y2), \
8 * sizeof(pixel)) \
CALL_2X_PIXELS(FUNCC(OPNAME ## _pixels16_xy2), \
FUNCC(OPNAME ## _pixels8_xy2), \
8 * sizeof(pixel)) \
av_unused CALL_2X_PIXELS(FUNCC(OPNAME ## _no_rnd_pixels16), \
FUNCC(OPNAME ## _pixels8), \
8 * sizeof(pixel)) \
CALL_2X_PIXELS(FUNCC(OPNAME ## _no_rnd_pixels16_x2), \
FUNCC(OPNAME ## _no_rnd_pixels8_x2), \
8 * sizeof(pixel)) \
CALL_2X_PIXELS(FUNCC(OPNAME ## _no_rnd_pixels16_y2), \
FUNCC(OPNAME ## _no_rnd_pixels8_y2), \
8 * sizeof(pixel)) \
CALL_2X_PIXELS(FUNCC(OPNAME ## _no_rnd_pixels16_xy2), \
FUNCC(OPNAME ## _no_rnd_pixels8_xy2), \
8 * sizeof(pixel)) \
#define op_avg(a, b) a = rnd_avg_pixel4(a, b)
#define op_put(a, b) a = b
#if BIT_DEPTH == 8
#define put_no_rnd_pixels8_8_c put_pixels8_8_c
PIXOP2(avg, op_avg)
PIXOP2(put, op_put)
#endif
#undef op_avg
#undef op_put